An investigator measuring various characteristics of a large group of athletes found that the correlation between the weight of an athlete and the amount of weight that athlete could lift was 0.60. true or false and explain:

a) on the average, an athlete can lift 60% of his body weight.

b) if an athlete gains 10 pounds, he can expect to lift an additional 6 pounds.

c) the more an athlete weights, on the average the more he weights.

d) the more an athlete can lift, on the average the more he weighs.

e) 60% of athlete's lifting ability can be attributed to his weight alone.

Step-by-step explanation:

Given that an investigator measuring various characteristics of a large group of athletes found that the correlation between the weight of an athlete and the amount of weight that athlete could lift was 0.60.

Correlation coefficient is the measure of association and a positive value implies that increase in one value causes increase in the other.

Hence out of the given options correct ones are

c) The more an athlete weights, on the average the more he weights.

d) The more an athlete can lift, on the average the more he weighs.

e) 60% of athlete's lifting ability can be attributed to his weight alone.

3x^3-x^2+6x-9

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